200 Participants NeededMy employer runs this trial

ORKA-002 for Hidradenitis Suppurativa

Recruiting at 25 trial locations
OC
Overseen ByOruka Clinical Trials Information
Age: 18+
Sex: Any
Trial Phase: Phase 2
Sponsor: Oruka Therapeutics, Inc.
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Prior Safety DataThis treatment has passed at least one previous human trial

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests a new treatment called ORKA-002 for individuals with moderate-to-severe hidradenitis suppurativa (HS), a painful skin condition characterized by recurring bumps. The study aims to determine if ORKA-002 can reduce symptoms more effectively than a placebo, an inactive substance. Participants will receive either the experimental treatment or a placebo. Those who have had HS for at least six months, with lesions in two or more areas, and have not responded well to antibiotics may be suitable candidates. As a Phase 2 trial, the research focuses on evaluating the treatment's effectiveness in an initial, smaller group of people.

Do I have to stop taking my current medications for the trial?

The trial information does not specify if you need to stop taking your current medications. It's best to discuss this with the trial coordinators or your doctor.

Is there any evidence suggesting that ORKA-002 is likely to be safe for humans?

Research has shown that ORKA-002 is generally safe for humans. In earlier studies, ORKA-002 did not cause significant side effects at any dose level, indicating it was well tolerated. This aligns with other drugs in its group, called anti-IL-17 treatments, which help reduce inflammation in certain conditions.

These studies reported no serious side effects linked to ORKA-002, suggesting that most people did not experience severe problems from the treatment. Overall, the safety information for ORKA-002 appears promising, but it's important to remember that individual responses to treatment can vary.12345

Why do researchers think this study treatment might be promising for HS?

Unlike the standard treatments for Hidradenitis Suppurativa, which often include antibiotics, anti-inflammatory medications, or biologics targeting specific immune pathways, ORKA-002 brings a fresh approach by potentially offering a new mechanism of action. Researchers are excited about ORKA-002 because it may target the underlying inflammatory processes more directly, potentially leading to better management of symptoms. This innovative treatment could provide a new option for patients who haven't responded well to existing therapies, offering hope for more effective relief.

What evidence suggests that ORKA-002 might be an effective treatment for Hidradenitis Suppurativa?

Research has shown that ORKA-002 is promising for treating conditions like psoriasis, with 63.5% of participants experiencing improvements. This success suggests potential benefits for hidradenitis suppurativa (HS) due to the similar inflammatory processes involved in both conditions. In this trial, one group of participants will receive ORKA-002, while another group will receive a placebo. ORKA-002 remains active in the body for an extended period, allowing for less frequent dosing while maintaining effectiveness. Early tests have demonstrated its safety, which is crucial for long-term use. Although specific data for HS is limited, these initial results are encouraging for its potential effectiveness.45678

Are You a Good Fit for This Trial?

This trial is for adults with moderate-to-severe hidradenitis suppurativa (HS) who have had symptoms for at least 6 months, HS in two or more body areas (with one being advanced), and haven't improved with antibiotics or can't take them. People with other active skin diseases or autoimmune conditions can't join.

Inclusion Criteria

Have you had HS (painful lumps or boils) in 2 or more body areas, like both armpits, for at least 6 months?

Exclusion Criteria

Have you taken opioid pain pills, like tramadol, oxycodone, or hydrocodone, in the last 2 weeks?
In the last 12 months, have you had a problem with drinking or drugs?
Do you have Crohn’s disease, ulcerative colitis, psoriasis, lupus, or rheumatoid arthritis?
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Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Induction Period

Participants receive ORKA-002 or placebo every 4 weeks for 12 weeks during a double-blind induction period

12 weeks
3 visits (in-person)

Maintenance Period

Participants receive ORKA-002 every 12 weeks during an open-label maintenance period

76 weeks
6 visits (in-person)

Post-Treatment Follow-Up

Participants are monitored for safety and effectiveness after treatment

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

  • ORKA-002

Trial Overview

The study compares a new drug called ORKA-002 to a placebo (inactive treatment) in people with moderate-to-severe HS. Participants are randomly assigned to receive either the real drug or placebo without knowing which they get.

How Is the Trial Designed?

2

Treatment groups

Experimental Treatment

Group I: Induction Period - Arm 2 (Placebo)Experimental Treatment1 Intervention
Group II: Induction Period - Arm 1 (ORKA-002)Experimental Treatment1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Oruka Therapeutics, Inc.

Lead Sponsor

Trials
1
Recruited
20+

Citations

Oruka Therapeutics Reports Second Quarter 2026 ...

In April 2026, the Company presented positive data from its EVERLAST-A Phase 2a trial in moderate-to-severe PsO showing 40 of 63 (63.5%) ...

ORKA - Oruka Therapeutics, Inc. | News

In April 2026, the Company presented positive data from its EVERLAST-A trial in moderate-to-severe PsO showing 40 of 63 (63.5%) participants treated with ORKA- ...

Oruka Therapeutics, Inc.

ORKA-002 showed a half-life of approximately 75-80 days, greater than three times that of bimekizumab, and a comparable Cmax to bimekizumab at equivalent doses ...

Oruka Therapeutics Reports First Quarter 2026 Financial ...

In April 2026, the Company presented positive data from its EVERLAST-A trial in moderate-to-severe PsO showing 40 of 63 (63.5%) participants ...

Oruka Therapeutics Reports Fourth Quarter and Full Year ...

In January 2026, Oruka announced positive interim Phase 1 data demonstrating a half-life of approximately 75–80 days and pharmacokinetic ...

Oruka Therapeutics Reports Second Quarter 2026 Financial

In April 2026, the Company presented positive data from its EVERLAST-A Phase 2a trial in moderate-to-severe PsO showing 40 of 63 (63.5%) participants treated ...

Form 8-K for Oruka Therapeutics INC filed 08/10/2026

to develop ORKA-001 and ORKA-002 for additional indications, including hidradenitis suppurativa and inflammatory bowel disease; the expected benefits of the ...

Oruka Therapeutics Reports First Quarter 2026 Financial ...

ORKA-001 was well tolerated with a safety profile similar to placebo and consistent with prior IL-23p19 inhibitors. Also in April 2026, the ...